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线缆及线束组件的要求与验收

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发表于 2019-1-10 20:59 | 显示全部楼层 |阅读模式
IPC-A-620B中文版 线缆及线束组件的要求与验收  IPC/WHMA-A-620B CN(第一部分)
09fa513d269759eeb55bfea3b2fb43166d22df4b.jpg
目录

1 ⾔..................................... 1-1
1.1 范围...................................1-2
1.2 ⽬................................... 1-2
1.3 阅读本⽂件的⽅.......................1-2
1.4 测量单位及应⽤.........................1-2
1.4.1尺寸的鉴定..........................1-2
1.5 要求...................................1-2
1.6 ⾮常规或特殊设计....................... 1-2
1.7 术语和定义.............................1-3
1.7.1检查................................1-3
1.7.2制造商(装配者) ....................1-3
1.7.3客观证据............................1-3
1.7.4过程控制............................1-3
1.7.5供应商..............................1-3
1.7.6用户................................1-3
1.7.7导线直径(D) ....................... 1-3
1.8 产品的分级.............................1-3
1.9 ⽂件的优先顺序......................... 1-3
1.10 要求下传..............................1-3
1.11 ⼯的熟练程度........................ 1-4
1.12 设施..................................1-4
1.12.1现场装配操作........................1-4
1.13 ⼯具和设备............................ 1-4
1.13.1管控................................1-4
1.13.2校准................................1-4
1.13.3材料和工艺..........................1-5
1.14 图例和插图............................1-5
1.15 检验条件..............................1-5
1.15.1目标................................1-5
1.15.2可接受..............................1-5
1.15.3制程警示............................1-5
1.15.4缺陷................................1-5
1.15.5处置................................1-5
1.15.6各级产品验收的逻辑关系.............. 1-5
1.15.7未涉及的条件........................1-6
1.16 ⽓间隙.............................. 1-6
1.17 检查..................................1-6
1.17.1抽样................................1-6
1.17.1.1光照度..............................1-6
1.17.1.2放大装置............................1-6
1.18 静电释放(ESD)保护..................1-6
1.19 污染..................................1-7
1.20 ⼯/返修............................. 1-7
1.20.1返工................................1-7
1.20.2返修................................1-7
1.21 统计过程控制..........................1-7
2 ⽤⽂.................................2-1
2.1 IPC .................................... 2-1
2.2 联合⼯业标准........................... 2-1
2.3 国际汽车⼯程师学会(SAE.............2-1
2.4 美国国家标准协会(A_SI..............2-2
2.5 国际标准化组织(ISO..................2-2
2.6 ESD协会(ESDA......................2-2
2.7 美国国防部(DoD.....................2-2
2.8 美国材料与实验学会-国际性组织
ASTM.............................2-2
3 备线..................................... 3-1
3.1 剥外⽪.................................3-2
3.2 股线损伤和切线.........................3-2
3.3 导体变形/呈鸟笼........................ 3-5
3.4 绞线...................................3-7
3.5 绝缘⽪损伤............................. 3-8
4 焊接端⼦................................. 4-1
4.1 材料、元器件及设备..................... 4-2
4.1.1材料................................4-2
4.1.1.1焊料................................4-2
4.1.1.2助焊剂..............................4-2
4.1.1.3粘合剂..............................4-3
4.1.1.4可焊性..............................4-3
4.1.1.5工具和设备..........................4-3
4.1.2除金................................4-3
⽬
IPC/WHMA-A-620BC_ 2012年10月 vii
SINGLE USERLICENSE - NOT FOR USE ON A NETWORK OR ONLINE
4.2 清洁度.................................4-4
4.2.1焊接前..............................4-4
4.2.2焊接后..............................4-4
4.2.2.1颗粒物..............................4-4
4.2.2.2助焊剂残留物........................4-5
4.2.2.2.1清洗型助焊剂........................4-5
4.2.2.2.2免清洗助焊剂........................4-5
4.3 焊接...................................4-6
4.3.1总则................................4-8
4.3.2焊接异常............................4-9
4.3.2.1暴露的金属基材......................4-9
4.3.2.2部分可见或隐藏的焊接连接............ 4-9
4.4 导线/引线准备,上锡................... 4-10
4.5 导线绝缘⽪............................4-12
4.5.1间隙...............................4-12
4.5.2焊后的损伤.........................4-14
4.6 绝缘导管..............................4-15
4.7 呈鸟笼状的导线(焊后) ................ 4-17
4.8 接线端⼦..............................4-18
4.8.1塔型和直针型.......................4-21
4.8.1.1引线/导线的放置.................... 4-21
4.8.1.2焊接...............................4-23
4.8.2双叉型.............................4-24
4.8.2.1引线/导线的放置-侧面进线........... 4-24
4.8.2.2引线/导线的放置-底部和顶部进线..... 4-26
4.8.2.3引线/导线的放置-导线加固/夹持...... 4-28
4.8.2.4焊接...............................4-29
4.8.3槽型...............................4-31
4.8.3.1引线/导线的放置.................... 4-31
4.8.3.2焊接...............................4-32
4.8.4穿孔/冲孔型........................ 4-33
4.8.4.1引线/导线的放置.................... 4-33
4.8.4.2焊接...............................4-35
4.8.5钩型...............................4-36
4.8.5.1引线/导线的放置.................... 4-36
4.8.5.2焊接...............................4-37
4.8.6焊锡杯.............................4-39
4.8.6.1引线/导线的放置.................... 4-39
4.8.6.2焊接...............................4-40
4.8.7串联连接...........................4-43
4.8.8引线/导线的放置-AWG30和更
细的导线........................... 4-44
5 压接端⼦(接头和压接⽿.................5-1
5.1 冲压成形-开环型........................ 5-3
5.1.1绝缘皮支撑..........................5-4
5.1.1.1检查窗..............................5-4
5.1.1.2压接................................5-6
5.1.2没有绝缘皮压接的绝缘间隙............ 5-8
5.1.3导体压接............................5-9
5.1.4钟形压口...........................5-11
5.1.5导体刷.............................5-13
5.1.6料带残耳...........................5-15
5.2 冲压成形-闭环型....................... 5-16
5.2.1绝缘间隙...........................5-17
5.2.2绝缘皮支撑压接.....................5-17
5.2.3导体压接和钟形压口.................5-19
5.3 机制接头..............................5-21
5.3.1绝缘间隙...........................5-21
5.3.2绝缘皮支撑.........................5-24
5.3.3导体...............................5-25
5.3.4压接...............................5-27
5.3.5圆密尔填塞.........................5-29
5.4 端接环压接............................5-31
6 绝缘⽪穿刺连接(IDC................... 6-1
6.1 多端扁平线缆...........................6-2
6.1.1末端切割............................6-2
6.1.2切边................................6-3
6.1.3移除接地层..........................6-4
6.1.4连接器对位..........................6-5
6.1.5连接器歪斜和横向对位................6-8
6.1.6紧固................................6-9
6.2 ⽴导线端⼦.......................... 6-10
6.2.1总则...............................6-10
6.2.2导线对位...........................6-11
6.2.3悬空(伸出)....................... 6-12
6.2.4绝缘压接...........................6-13
6.2.5连接区域内的损伤...................6-15
6.2.6末端连接器.........................6-16
6.2.7贯穿型连接器.......................6-17
6.2.8接线盒连接器.......................6-18
6.2.9高密D型连接器(串联总线连接器) .... 6-19
6.2.10模块化连接器(RJ型) ............... 6-21
⽬录(续)
viii2012年10月 IPC/WHMA-A-620B C_
SINGLE USERLICENSE - NOT FOR USE ON A NETWORK OR ONLINE
7 超声熔接................................. 7-1
7.1 绝缘间隙...............................7-2
7.2 熔接块.................................7-3
8 衔接..................................... 8-1
8.1 焊接衔接...............................8-2
8.1.1散接................................8-3
8.1.2绕接................................8-5
8.1.3钩接................................8-7
8.1.4搭接................................8-8
8.1.4.1两根或两根以上导线..................8-9
8.1.4.2绝缘皮环切(窗口)................. 8-12
8.1.5热缩焊接装置.......................8-13
8.2 压接衔接..............................8-15
8.2.1筒接头.............................8-15
8.2.2双边接头...........................8-18
8.2.3终端接头...........................8-21
8.2.4导线直插连接装置(快速链接)......... 8-24
8.3 超声熔接衔接..........................8-25
9 连接器连接............................... 9-1
9.1 紧固件安装.............................9-2
9.1.1螺栓-高度........................... 9-2
9.1.2螺钉-伸出........................... 9-3
9.1.3固定夹..............................9-4
9.1.4连接器对准..........................9-5
9.2 ⼒装置............................... 9-6
9.2.1线夹安装............................9-6
9.2.2导线整理............................9-7
9.2.2.1直向走线............................9-8
9.2.2.2侧向走线............................9-9
9.3 套管和防护套..........................9-10
9.3.1定位...............................9-10
9.3.2粘接...............................9-11
9.4 连接器损伤............................9-15
9.4.1标准...............................9-15
9.4.2限定-硬表面-配接面................. 9-16
9.4.3限定-软表面-配接面或背部密封区..... 9-17
9.4.4管脚...............................9-18
9.5 管脚和密封塞在连接器内的安装.......... 9-19
9.5.1管脚的安装.........................9-19
9.5.2密封塞的安装.......................9-21
10 ⼆次成型/灌塑成型......................10-1
10.1 ⼆次成型............................. 10-4
10.1.1填充.............................10-4
10.1.1.1内模.............................10-4
10.1.1.2外模.............................10-7
10.1.1.2.1错位............................10-10
10.1.1.2.2装配............................10-11
10.1.1.2.3裂纹、流痕、表面皱纹(流纹)
或熔接线........................ 10-14
10.1.1.2.4颜色............................10-16
10.1.2冲胶............................10-17
10.1.3对位............................10-18
10.1.4毛边............................10-21
10.1.5导线绝缘皮、外被或套管损坏...... 10-23
10.1.6固化............................10-24
10.2 灌塑成型(热固性成型) .............. 10-25
10.2.1 填充............................10-25
10.2.2 与导线或线缆的装配.............. 10-29
10.2.3 固化............................10-31
11 线缆组件与导体的测量................... 11-1
11.1 测量-线缆与导线的长度公差............. 11-2
11.2 测量-线缆............................. 11-2
11.2.1 基准面-直式/轴向连接器...........11-2
11.2.2 基准面-直角连接器................ 11-3
11.2.3 长度.............................11-3
11.2.4 分叉.............................11-4
11.2.4.1 分叉测量基准点................... 11-4
11.2.4.2 分叉.............................11-5
11.3 测量-导线............................. 11-6
11.3.1 电气端子基准点................... 11-6
11.3.2 长度.............................11-7
12 标记/标签.............................. 12-1
12.1 内容.................................12-2
12.2 易读性...............................12-2
12.3 永久性...............................12-4
12.4 定位及⽅........................... 12-4
12.5 功能性...............................12-6
12.6 标记套...............................12-7
12.6.1 缠绕.............................12-7
12.6.2 管型.............................12-9
⽬录(续)
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12.7 旗形标记............................12-10
12.7.1 粘贴............................12-10
12.8 缠绕标记............................12-10
13 同轴及双轴线缆组件..................... 13-1
13.1 剥外被...............................13-2
13.2 ⼼导体收尾......................... 13-4
13.2.1 压接.............................13-4
13.2.2 焊接.............................13-6
13.3 焊箍针...............................13-8
13.3.1 总则.............................13-8
13.3.2 绝缘............................13-10
13.4 同轴连接器-印制线路板⽤连接器....... 13-11
13.5 同轴连接器-中⼼导体长度-⾓连接器... 13-12
13.6 同轴连接器-中⼼导体焊接............. 13-14
13.7 同轴连接器-端⼦...................13-16
13.7.1 焊接............................13-16
13.7.2 压合............................13-17
13.8 屏蔽层收尾.......................... 13-18
13.8.1 压紧式接地环.................... 13-18
13.8.2 压接环.......................... 13-18
13.9 ⼼.............................. 13-21
13.9.1 定位............................13-21
13.9.2 损伤............................13-22
13.10 半钢性同轴线....................... 13-23
13.10.1 弯曲和变形...................... 13-24
13.10.2 表面状况........................ 13-27
13.10.2.1 硬质表面........................ 13-27
13.10.2.2 软质表面........................ 13-29
13.10.3 介质的切割...................... 13-30
13.10.4 介质清洁度...................... 13-32
13.10.5 中心导体插针.................... 13-33
13.10.5.1 尖端............................13-33
13.10.5.2 损伤............................13-35
13.10.6 焊接............................13-36
13.11 铆压式连接器....................... 13-38
13.12 双轴/多轴屏蔽线的焊接和剥外被...... 13-39
13.12.1 外被和芯线的安装................ 13-39
13.12.2 环安装.......................... 13-41
14 紧固...................................14-1
14.1 扎线带缠绕/连轧应⽤.................. 14-2
14.1.1 松紧度........................... 14-6
14.1.2 损伤.............................14-7
14.1.3 间隔.............................14-8
14.2 分叉.................................14-9
14.2.1 单根导线......................... 14-9
14.2.2 间隔............................14-10
14.3 布线................................14-13
14.3.1 导线交叉........................ 14-13
14.3.2 弯曲半径........................ 14-14
14.3.3 同轴线缆........................ 14-15
14.3.4 空置导线收尾.................... 14-16
14.3.4.1 收缩套管........................ 14-16
14.3.4.2 挠性套管........................ 14-17
14.3.5 衔接处和焊环上的扎线带.......... 14-17
14.4 扫把式捆扎.......................... 14-18
15 线束/线缆的电⽓屏蔽....................15-1
15.1 编织.................................15-2
15.1.1 直接编织......................... 15-3
15.1.2 预先编织......................... 15-5
15.2 屏蔽层收尾........................... 15-6
15.2.1 屏蔽层跳线....................... 15-6
15.2.1.1 附连导线......................... 15-6
15.2.1.1.1 焊接.............................15-7
15.2.1.1.2 压接............................15-11
15.2.1.2 屏蔽层编织...................... 15-12
15.2.1.2.1 织物............................15-12
15.2.1.2.2 梳理与绞合...................... 15-12
15.2.1.3 菊花链.......................... 15-13
15.2.1.4 公共接地点...................... 15-13
15.2.2 无用的屏蔽层跳线................ 15-14
15.2.2.1 屏蔽层不向后折回................ 15-14
15.2.2.2 屏蔽层向后折回.................. 15-15
15.3 屏蔽层收尾-连接器................... 15-16
15.3.1 缩紧............................15-16
15.3.2 压接............................15-18
15.3.3 屏蔽层跳线连接.................. 15-20
15.3.4 焊接............................15-21
15.4 屏蔽层收尾-预先编织的衔接........... 15-21
15.4.1 焊接............................15-21
15.4.2 扎线带/胶带..................... 15-23
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SINGLEUSER LICENSE - NOT FOR USE ON A NETWORK OR ONLINE
15.5 捆带-绝缘的和导电的、有粘性
⽆粘性的.......................... 15-24
15.6 套管(屏蔽) ........................ 15-25
15.7 收缩管-导电衬....................... 15-26
16 线缆/线束保护层........................ 16-1
16.1 编织.................................16-2
16.1.1 直接编织........................... 16-2
16.1.2 预先编织........................... 16-3
16.2 套管/热缩套管........................ 16-6
16.2.1 密封...............................16-7
16.3 塑料缠绕带(螺旋形套管) ............. 16-7
16.4 波纹管-可拆分型和不可拆分型.......... 16-8
16.5 捆带,有粘性的和⽆粘性的............. 16-8
17 成品组件安装........................... 17-1
17.1 总则.................................17-2
17.2 机械零部件的安装..................... 17-3
17.2.1 螺纹紧固件......................... 17-3
17.2.2 最小扭矩........................... 17-6
17.2.3 导线...............................17-8
17.2.4 高电压应用........................ 17-11
17.3 导线/线束安装....................... 17-12
17.3.1 应力释放.......................... 17-12
17.3.2 理线..............................17-13
17.3.3 维修环............................ 17-14
17.3.4 线夹..............................17-15
17.3.5 交叉..............................17-15
18 ⽆焊绕接...............................18-1
18.1 匝数.................................18-2
18.2 匝间间隙.............................18-3
18.3 导线末端,绝缘绕接................... 18-4
18.4 绕匝的凸起与重叠..................... 18-6
18.5 绕接位置.............................18-7
18.6 理线.................................18-9
18.7 导线松弛............................18-10
18.8 镀层................................18-11
18.9 ⽆焊绕接-损伤....................... 18-12
18.9.1 绝缘皮............................ 18-12
18.9.2 导线和接线柱...................... 18-13
19 测试...................................19-1
19.1 ⾮破环性测试.........................19-2
19.2 ⼯或维修后的测试................... 19-2
19.3 意向表的使⽤......................... 19-2
19.4 ⽓测试............................. 19-3
19.4.1 测试项目的选择..................... 19-3
19.5 ⽓测试⽅......................... 19-4
19.5.1 连通性............................. 19-4
19.5.2 短路...............................19-5
19.5.3 介质耐压(DWV) .................. 19-6
19.5.4 绝缘电阻(IR) ..................... 19-7
19.5.5 电压驻波比(VSWR) ............... 19-8
19.5.6 插入损耗........................... 19-8
19.5.7 反射系数........................... 19-9
19.5.8 用户要求的......................... 19-9
19.6 机械测试............................19-10
19.6.1 测试项目的选择.................... 19-10
19.7 机械测试⽅........................19-11
19.7.1 压接高度(尺寸分析) .............. 19-11
19.7.1.1 端子放置.......................... 19-12
19.7.2 拉力(拉伸) ...................... 19-13
19.7.2.1 未文档化的过程控制................ 19-14
19.7.3 压接力监测........................ 19-17
19.7.4 压接工具鉴定...................... 19-17
19.7.5 连接保持力验证.................... 19-17
19.7.6 RF(射频)连接器屏蔽层拉力
(拉伸) .......................... 19-18
19.7.7 RF(射频)连接器屏蔽环扭转测试.....19-19
19.7.8 用户要求的........................ 19-19
附录A 术语和定义.........................A-1
附录B 可复制的测试表..................... B-1
⽬录(续)
IPC/WHMA-A-620B C_ 201210xi
SINGLEUSER LICENSE - NOT FOR USE ON A NETWORK OR ONLINE
表1-1 电⽓间隙............................. 1-6
表1-2 放⼤装置............................. 1-6
表3-1 股线允许的损伤范围................... 3-4
表4-1 接线端⼦与引线/导线的放置........... 4-18
表4-2 塔型和直针型端⼦上引线/导线的放置... 4-21
表4-3 双叉型接线端⼦上引线/导线的放置-
⾯进线............................ 4-24
表4-4 双叉型接线端⼦上引线/导线的放置-
底部进线............................ 4-26
表4-5 穿孔型接线端⼦上引线/导线的放置..... 4-33
表4-6 钩型接线端⼦上引线/导线的放置....... 4-36
表10-1 ⼆次成型/灌塑成型的外观异常定义.... 10-2
表11-1 线缆/导线长度测量公差.............. 11-2
表13-1 同轴、双轴线屏蔽层和中⼼导体损
伤的允许值........................ 13-2
表13-2 半刚性线缆的变形................. 13-25
表13-3 介质的切割....................... 13-30
表14-1 最⼩弯曲半径要求................. 14-14
表18-1 裸线最低匝数...................... 18-2
表19-1 电⽓测试要求...................... 19-3
表19-2 连通性测试最低要求................ 19-4
表19-3 短路测试(低压绝缘)最低要求...... 19-5
表19-4 介质耐压测试(DWV)最低要求...... 19-6
表19-5 绝缘电阻(IR)测试最低要求........ 19-7
表19-6 电压驻波⽐VSWR)测试参数...... 19-8
表19-7 插⼊损耗测试参数.................. 19-8
表19-8 反射系数测试参数.................. 19-9
表19-9 机械测试要求..................... 19-10
表19-10 压接⾼度测试.....................19-11
表19-11 拉⼒测试最⼩要求................. 19-14
表19-12 拉⼒测试值的拉⼒.............. 19-15
表19-13 UL, Mil, SAE, IEC, GM和Volvo
⼒测试值(1和2级) ............... 19-16
表19-14 射频连接器拉⼒测试.............. 19-18__

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